16290844 has 12 divisors (see below), whose sum is σ = 28992600. Its totient is φ = 8007248.

The previous prime is 16290839. The next prime is 16290881. The reversal of 16290844 is 44809261.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34279 + ... + 34750.

It is an arithmetic number, because the mean of its divisors is an integer number (2416050).

Almost surely, 2^16290844 is an apocalyptic number.

It is an amenable number.

16290844 is a deficient number, since it is larger than the sum of its proper divisors (12701756).

16290844 is a wasteful number, since it uses less digits than its factorization.

16290844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69092 (or 69090 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 16290844 is about 4036.1917694778. The cubic root of 16290844 is about 253.5018861374.

The spelling of 16290844 in words is "sixteen million, two hundred ninety thousand, eight hundred forty-four".